fix terminal color pollution, see issue https://github.com/robbyrussell/oh-my-zsh/issues/4856

plugins/mvn/mvn.plugin.zsh

@@ -1,24 +1,24 @@
 # mvn-color based on https://gist.github.com/1027800
-export BOLD=`tput bold`
-export UNDERLINE_ON=`tput smul`
-export UNDERLINE_OFF=`tput rmul`
-export TEXT_BLACK=`tput setaf 0`
-export TEXT_RED=`tput setaf 1`
-export TEXT_GREEN=`tput setaf 2`
-export TEXT_YELLOW=`tput setaf 3`
-export TEXT_BLUE=`tput setaf 4`
-export TEXT_MAGENTA=`tput setaf 5`
-export TEXT_CYAN=`tput setaf 6`
-export TEXT_WHITE=`tput setaf 7`
-export BACKGROUND_BLACK=`tput setab 0`
-export BACKGROUND_RED=`tput setab 1`
-export BACKGROUND_GREEN=`tput setab 2`
-export BACKGROUND_YELLOW=`tput setab 3`
-export BACKGROUND_BLUE=`tput setab 4`
-export BACKGROUND_MAGENTA=`tput setab 5`
-export BACKGROUND_CYAN=`tput setab 6`
-export BACKGROUND_WHITE=`tput setab 7`
-export RESET_FORMATTING=`tput sgr0`
+BOLD=`tput bold`
+UNDERLINE_ON=`tput smul`
+UNDERLINE_OFF=`tput rmul`
+TEXT_BLACK=`tput setaf 0`
+TEXT_RED=`tput setaf 1`
+TEXT_GREEN=`tput setaf 2`
+TEXT_YELLOW=`tput setaf 3`
+TEXT_BLUE=`tput setaf 4`
+TEXT_MAGENTA=`tput setaf 5`
+TEXT_CYAN=`tput setaf 6`
+TEXT_WHITE=`tput setaf 7`
+BACKGROUND_BLACK=`tput setab 0`
+BACKGROUND_RED=`tput setab 1`
+BACKGROUND_GREEN=`tput setab 2`
+BACKGROUND_YELLOW=`tput setab 3`
+BACKGROUND_BLUE=`tput setab 4`
+BACKGROUND_MAGENTA=`tput setab 5`
+BACKGROUND_CYAN=`tput setab 6`
+BACKGROUND_WHITE=`tput setab 7`
+RESET_FORMATTING=`tput sgr0`
 
  
 # Wrapper function for Maven's mvn command.